79475481 has 24 divisors (see below), whose sum is σ = 118404000. Its totient is φ = 51339456.

The previous prime is 79475477. The next prime is 79475489. The reversal of 79475481 is 18457497.

It is a happy number.

It is not a de Polignac number, because 79475481 - 2² = 79475477 is a prime.

It is a super-2 number, since 2×79475481² = 12632704160362722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79475489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52270 + ... + 53768.

It is an arithmetic number, because the mean of its divisors is an integer number (4933500).

Almost surely, 2^79475481 is an apocalyptic number.

It is an amenable number.

79475481 is a deficient number, since it is larger than the sum of its proper divisors (38928519).

79475481 is a wasteful number, since it uses less digits than its factorization.

79475481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1682 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 79475481 is about 8914.9021867881. The cubic root of 79475481 is about 429.9431707843.

The spelling of 79475481 in words is "seventy-nine million, four hundred seventy-five thousand, four hundred eighty-one".